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vitetris is a Tetris clone written by Victor Nilsson. It was originally written with only Linux and minimal library dependencies in mind, but is now very portable and can optionally make use of a curses library or Allegro.[3]

The game essentially follows the gameplay of the early Tetris games by Nintendo, with the classic modes A- and B-type (marathon and line clear). However, in vitetris there is a short delay before the piece is locked (after it has landed), which makes it possible to play at higher levels.

Two-player battles can be played on the same computer or over network. When clearing several lines at once, garbage is sent to the opponent.